[PATCH] i386: Kill references to xtime

Remove all references to xtime in i386 and replace them w/
get/set_timeofday().  Requires some ugly and uncertain changes to APM, but
has been lightly tested to work.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 12 deletions

diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 24fd577861f1..ff9ce4b5eaa8 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1154,9 +1154,11 @@ out:
 
 static void set_time(void)
 {
+        struct timespec ts;
         if (got_clock_diff) {   /* Must know time zone in order to set clock */
-                xtime.tv_sec = get_cmos_time() + clock_cmos_diff;
-                xtime.tv_nsec = 0; 
+                ts.tv_sec = get_cmos_time() + clock_cmos_diff;
+                ts.tv_nsec = 0;
+                do_settimeofday(&ts);
         } 
 }
 
@@ -1232,13 +1234,8 @@ static int suspend(int vetoable)
         restore_processor_state();
 
         local_irq_disable();
-        write_seqlock(&xtime_lock);
-        spin_lock(&i8253_lock);
-        reinit_timer();
         set_time();
-
-        spin_unlock(&i8253_lock);
-        write_sequnlock(&xtime_lock);
+        reinit_timer();
 
         if (err == APM_NO_ERROR)
                 err = APM_SUCCESS;
@@ -1365,9 +1362,7 @@ static void check_events(void)
                         ignore_bounce = 1;
                         if ((event != APM_NORMAL_RESUME)
                             || (ignore_normal_resume == 0)) {
-                                write_seqlock_irq(&xtime_lock);
                                 set_time();
-                                write_sequnlock_irq(&xtime_lock);
                                 device_resume();
                                 pm_send_all(PM_RESUME, (void *)0);
                                 queue_event(event, NULL);
@@ -1383,9 +1378,7 @@ static void check_events(void)
                         break;
 
                 case APM_UPDATE_TIME:
-                        write_seqlock_irq(&xtime_lock);
                         set_time();
-                        write_sequnlock_irq(&xtime_lock);
                         break;
 
                 case APM_CRITICAL_SUSPEND: